1 XCAN HSS Counterbore End Mill M3-M12 Pilot Slotting Tool Milling Cutter Countersink End Mills Feature: 1. High toughness, high hardness, abrasion resistance. 2. Rapidly, smoothly and accurately to cut. 3. Can processing directly or fine processing to the heat treatment mold. 4. Can milling of copper, aluminum, tool steel, cast iron, etc. 5. Reducing the number of tool changes, improve machine actuator movement rhythm, save mold making time. 6. Used to be assembled on milling machine. 7. Suitable for carved, high-speed machines. Specification: Material: High-speed Steel Size: M3 M4 M5 M6 M8 M10 M12 Package included: 1 Set Counterbore Mill Cutter Note: Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.